Corrupted Photo Recovery Pro can undelete all kinds of lost data without any risk. You can also preview the pictures you want to recover before you recover them.

Connect your camera or card reader to your PC. Run Corrupted Photo Recovery Pro, and on the main interface click Start Scan button. Select a drive that the lost files have ever been stored, camera brand, and choose a file type: [Photo], [Movies/Video], [Sounds/Audio]. Specify the destination folder, and click [Next]. The scanning process will commence. After scanning, you will see thumbnails of photos found. They are the files you which you can preview before you restore them. You can either recover all or selected photos by ticking the small check box under each photo or [Select All] option. Then click [Recover] button.